USN-3346-1: bind9 vulnerabilities

Publication date

29 June 2017

Overview

Bind could be made to serve incorrect information or expose sensitive information over the network.


Packages

  • bind9 - Internet Domain Name Server

Details

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone update requests. An attacker could use this
to improperly perform zone updates. (CVE-2017-3143)

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone transfer requests. An attacker could use this
to improperly transfer entire zones. (CVE-2017-3142)

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone update requests. An attacker could use this
to improperly perform zone updates. (CVE-2017-3143)

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone transfer requests. An attacker could use this
to improperly transfer entire zones. (CVE-2017-3142)

Update instructions

After a standard system update you need to restart Bind to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
17.04 zesty bind9 –  1:9.10.3.dfsg.P4-10.1ubuntu5.1
16.10 yakkety bind9 –  1:9.10.3.dfsg.P4-10.1ubuntu1.7
16.04 xenial bind9 –  1:9.10.3.dfsg.P4-8ubuntu1.7
14.04 trusty bind9 –  1:9.9.5.dfsg-3ubuntu0.15

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